If our planet did not have a molten metallic outer core, Earth would not have a magnetic field, and so, most of the life-forms on Earth would not exist.

a. true
b. false


a. true

Environmental & Atmospheric Sciences

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What is the Tabula Rogeriana?

A) the "map of the known world" in 1154 B) made by Islamic cartographer Muhammed al-Idrisi C) orients the south on the top of the map D) all of the above E) none of the above

Environmental & Atmospheric Sciences

New methods in mineral exploration include

A. geochemical  prospecting. B. geophysical techniques. C. remote sensing. D. All the choices are correct.

Environmental & Atmospheric Sciences

Solar radiation received by the Earth system is called _______________, which is short for "incoming solar radiation"

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

El Nino would bring the warm pool and associated convective rainfall to

A. A. B. B. C. C. D. D.

Environmental & Atmospheric Sciences